package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.annotation.AuTofill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);
@AuTofill(value = OperationType.INSERT)
    void insert(Dish dish);

    Page<DishVO> page(DishPageQueryDTO dishPageQueryDTO);
@Select("select *from dish where id=#{id}")
    Dish getById(Long id);
@Delete("delete from dish where id =#{id}")
    void deleteById(Long id);

    void deleteByIds(List<Long> ids);
@AuTofill(OperationType.INSERT)
    void update(Dish dish);
//dish表中的数据时自增的，可以通过程序获取，不一定要用户传
}